<template>
  <Dialog :title="dialogTitle" top="10vh" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="板块名称" prop="name">
        <el-input v-model="formData.name" placeholder="请输入板块名称" clearable />
      </el-form-item>
      <el-form-item label="板块封面" prop="coverImg">
        <el-popover placement="right" :width="300" trigger="hover">
          <template #reference>
            <UploadImg v-model="formData.coverImg" height="80px" />
          </template>
          <el-input
            v-model="formData.coverImg"
            :rows="3"
            type="textarea"
            placeholder="可直接输入图片网络链接地址"
          />
        </el-popover>
      </el-form-item>
      <el-form-item label="板块探索图" prop="exploreImg">
        <el-popover placement="right" :width="300" trigger="hover">
          <template #reference>
            <UploadImg v-model="formData.exploreImg" height="200px" />
          </template>
          <el-input
            v-model="formData.exploreImg"
            :rows="3"
            type="textarea"
            placeholder="可直接输入图片网络链接地址"
          />
        </el-popover>
      </el-form-item>
      <el-form-item label="板块话题" prop="topics">
        <el-select v-model="formData.topics" multiple placeholder="请选择板块下属话题" filterable>
          <el-option v-for="item in topicList" :key="item.id" :label="item.name" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="板块排序" prop="sort">
        <el-input-number v-model="formData.sort" controls-position="right" :min="0" />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="formData.status" clearable placeholder="请选择状态">
          <el-option
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script lang="ts" setup>
import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
import { CommonStatusEnum } from '@/utils/constants'
import { UploadImg } from '@/components/UploadFile'
import * as sectionApi from '@/api/club/section'
import * as topicApi from '@/api/club/topic'
import * as ArticleCategoryApi from '@/api/mall/promotion/articleCategory'

defineOptions({ name: 'SectionForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的板块：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  name: '',
  coverImg: '',
  exploreImg: '',
  topics: [],
  status: CommonStatusEnum.ENABLE,
  description: '',
  bindTags: '',
  sort: 0
})
const formRules = reactive({
  name: [{ required: true, message: '板块名称不能为空', trigger: 'blur' }],
  coverImg: [{ required: true, message: '板块封面图不能为空', trigger: 'blur' }],
  sort: [{ required: true, message: '板块排序不能为空', trigger: 'blur' }],
  bindTags: [{ required: true, message: '请选择板块下属话题', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref
/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await sectionApi.getSection(id)
      //   将字符串话题标签数组bindTags转换成数组topics
      formData.value.topics = formData.value?.bindTags?.split(',').map(Number)
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef) return
  const valid = await formRef.value.validate()
  if (!valid) return
  // 提交请求
  formLoading.value = true
  // 将数组形式的话题数组，转换成字符串，以逗号分隔
  formData.value.bindTags = formData.value.topics.join(',')
  try {
    const data = formData.value
    if (formType.value === 'create') {
      await sectionApi.createSection(data)
      message.success(t('common.createSuccess'))
    } else {
      await sectionApi.updateSection(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    name: '',
    coverImg: '',
    exploreImg: '',
    topics: [],
    bindTags: '',
    status: CommonStatusEnum.ENABLE,
    description: '',
    sort: 0
  }
  formRef.value?.resetFields()
}
// 话题列表
const topicList = ref([])
onMounted(async () => {
  const data = await topicApi.getTopicList({})
  topicList.value = data.list || []
})
</script>
